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Plots of power and phase of two modes in transmission gratings(Long period gratings). both numerical and analytical methods

生成一个正弦信号，并加入白噪声，得到正弦信号以及白噪声的混合信号，通过低通滤波器对白噪声进行处理(generate a sinusoidal signal, and add white noise, sinusoidal signal to be white noise and mixed-signal, through low-pass filter white noise processing)

可以进行简单的人脸识别，输入图片之后与图库逐个比较(Face recognition can be simple, enter the picture one by one after the comparison with the Gallery)

eigenfaces,基于特征脸的人脸识别的一个例子.入门级别(eigenfaces, feature-based Face to Face Recognition is a case in point. Portal-level)

电动机拖动simulink模型，调节pi控制器的参数模拟控制效果，另附程序运行结果图(Drag motor simulink model, adjusting the parameters pi controller analog control results, an additional program to run the results of Figure)

说明：  5篇有关粒子群优化神经网络的文章，caj格式的(Particle swarm optimization of neural networks related to the article, caj format)

matlab中双馈电机仿真模型的s函数代码(s double-fed motor simulation model matlab function code)

这是一个有关指纹识别的小程序，希望对初学者有所帮助！(This is a small program the fingerprint identification, want to be helpful for beginners!)

多个神经元分类，又称模式联想。对如下输入、输出样本进行分类。要求用MATLAB画出最后的线形图。 p=[0.1 0.7 0.8 0.8 1.0 0.3 0.0 -0.3 -0.5 -1.5 1.2 1.8 1.6 0.6 0.8 0.5 0.2 0.8 -1.5 -1.3] t=[1 1 1 0 0 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1](Multiple neurons classification, lenovo is also called the mode.Classify the following input and output sample.The last line diagram to use MATLAB to draw. p=[0.1 0.7 0.8 0.8 1.0 0.3 0.0-0.3-0.5-1.5 1.2 1.8 1.6 0.6 0.8 0.5 0.2 0.8-1.5-1.3] t=[1 1 1 0 0 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1])

说明：  三相桥式全控整流电路 变压器 Yd11 联结(Three-Phase Full-Bridge Controlled Rectifier Transformer Yd11 Connection)